In arthropods, molting is necessary because the chitinous exoskeleton cannot grow.
a. true
b. false
Ans: a. true
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When a person dies, the body often experiences rigor mortis. In this condition, it is as if the muscles have become
inflexible and it is very difficult to manipulate the joints. Why does this occur? What will be an ideal response?
The correct epidemiological term for the number of persons who have died as the result of a particular disease is the _______rate
Fill in the blank(s) with the appropriate word(s).
Which of the following would help conservation efforts in terms of increasing corridor use?
A) purchasing larger preserve areas B) purchasing areas being clear cut C) purchasing several small areas D) purchasing areas that connect protected areas
As a result of __________, large dogs such as Great Danes do not normally mate with small dogs such
as Poodles. a. temporal isolation b. mechanical isolation c. gametic isolation d. sexual isolation e. postzygotic barriers